Ionia Weather Forecast

    • 39
    • 40

    Rain

    • 18
    • 48

    Snow Showers

    • 20
    • 24

    Snow Showers Likely

    • 17
    • 29

    Snow Showers Likely

    • 11
    • 22

    Chance Snow Showers

    • 15
    • 22

    Slight Chance Snow Showers

Today 28 Dec Ontario

Mostly cloudy. Rain in the afternoon. Not as cold with Highs in the lower 40s. Light Winds, becoming south 5 to 10 Mph. Chance of rain 90 percent.

Tonight 28 Dec Ontario

Rain, breezy and not as cold. Early evening Lows in the upper 30s, then Temperatures rising into the mid 40s. South Winds 10 to 15 Mph with Gusts up to 30 Mph overnight. Chance of rain near 100 percent.

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Ionia Temperature Statistics

December Temperature

Rochester, Greater Rochester International Airport (15.5 miles)

  • Lowest 8 December, 2025

    3.9 °F

  • Average December

    27.7 °F

  • Highest 18 December, 2025

    54 °F

Climate (2020–Present)

Rochester, Greater Rochester International Airport (15.5 miles)

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  • Average Low 2020–2025

    42.4 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.5 °F
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